blob: eafe4947f4062f580b0dcd0ebe318d563038aa85 [file] [log] [blame]
// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "media/renderers/default_decoder_factory.h"
#include <memory>
#include "base/command_line.h"
#include "base/feature_list.h"
#include "base/sequenced_task_runner.h"
#include "build/build_config.h"
#include "build/buildflag.h"
#include "components/viz/common/gpu/raster_context_provider.h"
#include "media/base/decoder_factory.h"
#include "media/base/media_switches.h"
#include "media/media_buildflags.h"
#include "media/video/gpu_video_accelerator_factories.h"
#if !defined(OS_ANDROID)
#include "media/filters/decrypting_audio_decoder.h"
#include "media/filters/decrypting_video_decoder.h"
#endif
#if defined(OS_FUCHSIA)
// TODO(crbug.com/1117629): Remove this dependency and update include_rules
// that allow it.
#include "fuchsia/engine/switches.h"
#include "media/filters/fuchsia/fuchsia_video_decoder.h"
#endif
#if BUILDFLAG(ENABLE_DAV1D_DECODER)
#include "media/filters/dav1d_video_decoder.h"
#endif
#if BUILDFLAG(ENABLE_FFMPEG)
#include "media/filters/ffmpeg_audio_decoder.h"
#endif
#if BUILDFLAG(ENABLE_FFMPEG_VIDEO_DECODERS)
#include "media/filters/ffmpeg_video_decoder.h"
#endif
#if BUILDFLAG(ENABLE_LIBVPX)
#include "media/filters/vpx_video_decoder.h"
#endif
#if BUILDFLAG(ENABLE_LIBGAV1_DECODER)
#include "media/filters/gav1_video_decoder.h"
#endif
namespace media {
DefaultDecoderFactory::DefaultDecoderFactory(
std::unique_ptr<DecoderFactory> external_decoder_factory)
: external_decoder_factory_(std::move(external_decoder_factory)) {}
DefaultDecoderFactory::~DefaultDecoderFactory() = default;
void DefaultDecoderFactory::CreateAudioDecoders(
scoped_refptr<base::SequencedTaskRunner> task_runner,
MediaLog* media_log,
std::vector<std::unique_ptr<AudioDecoder>>* audio_decoders) {
base::AutoLock auto_lock(shutdown_lock_);
if (is_shutdown_)
return;
#if !defined(OS_ANDROID)
// DecryptingAudioDecoder is only needed in External Clear Key testing to
// cover the audio decrypt-and-decode path.
if (base::FeatureList::IsEnabled(kExternalClearKeyForTesting)) {
audio_decoders->push_back(
std::make_unique<DecryptingAudioDecoder>(task_runner, media_log));
}
#endif
#if BUILDFLAG(ENABLE_FFMPEG)
audio_decoders->push_back(
std::make_unique<FFmpegAudioDecoder>(task_runner, media_log));
#endif
if (external_decoder_factory_) {
external_decoder_factory_->CreateAudioDecoders(task_runner, media_log,
audio_decoders);
}
}
SupportedVideoDecoderConfigs
DefaultDecoderFactory::GetSupportedVideoDecoderConfigsForWebRTC() {
SupportedVideoDecoderConfigs supported_configs;
{
base::AutoLock auto_lock(shutdown_lock_);
if (external_decoder_factory_) {
SupportedVideoDecoderConfigs external_supported_configs =
external_decoder_factory_->GetSupportedVideoDecoderConfigsForWebRTC();
supported_configs.insert(supported_configs.end(),
external_supported_configs.begin(),
external_supported_configs.end());
}
}
#if defined(OS_FUCHSIA)
// TODO(crbug.com/1173503): Implement capabilities for fuchsia.
if (base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kDisableSoftwareVideoDecoders)) {
// Bypass software codec registration.
return supported_configs;
}
#endif
if (!base::FeatureList::IsEnabled(media::kExposeSwDecodersToWebRTC))
return supported_configs;
#if BUILDFLAG(ENABLE_LIBVPX)
// When the VpxVideoDecoder has been updated for RTC add
// `VpxVideoDecoder::SupportedConfigs()` to `supported_configs`.
#endif
#if BUILDFLAG(ENABLE_LIBGAV1_DECODER)
if (base::FeatureList::IsEnabled(kGav1VideoDecoder)) {
SupportedVideoDecoderConfigs gav1_configs =
Gav1VideoDecoder::SupportedConfigs();
supported_configs.insert(supported_configs.end(), gav1_configs.begin(),
gav1_configs.end());
} else
#endif
{
#if BUILDFLAG(ENABLE_DAV1D_DECODER)
SupportedVideoDecoderConfigs dav1d_configs =
Dav1dVideoDecoder::SupportedConfigs();
supported_configs.insert(supported_configs.end(), dav1d_configs.begin(),
dav1d_configs.end());
#endif
}
#if BUILDFLAG(ENABLE_FFMPEG_VIDEO_DECODERS)
// When the FFmpegVideoDecoder has been updated for RTC add
// `FFmpegVideoDecoder::SupportedConfigsForWebRTC()` to `supported_configs`.
#endif
return supported_configs;
}
void DefaultDecoderFactory::CreateVideoDecoders(
scoped_refptr<base::SequencedTaskRunner> task_runner,
GpuVideoAcceleratorFactories* gpu_factories,
MediaLog* media_log,
RequestOverlayInfoCB request_overlay_info_cb,
const gfx::ColorSpace& target_color_space,
std::vector<std::unique_ptr<VideoDecoder>>* video_decoders) {
base::AutoLock auto_lock(shutdown_lock_);
if (is_shutdown_)
return;
#if !defined(OS_ANDROID)
video_decoders->push_back(
std::make_unique<DecryptingVideoDecoder>(task_runner, media_log));
#endif
// Perfer an external decoder since one will only exist if it is hardware
// accelerated.
if (external_decoder_factory_ && gpu_factories &&
gpu_factories->IsGpuVideoAcceleratorEnabled()) {
// |gpu_factories_| requires that its entry points be called on its
// |GetTaskRunner()|. Since |pipeline_| will own decoders created from the
// factories, require that their message loops are identical.
DCHECK_EQ(gpu_factories->GetTaskRunner(), task_runner);
external_decoder_factory_->CreateVideoDecoders(
task_runner, gpu_factories, media_log,
std::move(request_overlay_info_cb), target_color_space, video_decoders);
}
#if defined(OS_FUCHSIA)
// TODO(crbug.com/1122116): Minimize Fuchsia-specific code paths.
if (gpu_factories && gpu_factories->IsGpuVideoAcceleratorEnabled()) {
auto* context_provider = gpu_factories->GetMediaContextProvider();
// GetMediaContextProvider() may return nullptr when the context was lost
// (e.g. after GPU process crash). To handle this case RenderThreadImpl
// creates a new GpuVideoAcceleratorFactories with a new ContextProvider
// instance, but there is no way to get it here. For now just don't add
// FuchsiaVideoDecoder in that scenario.
//
// TODO(crbug.com/580386): Handle context loss properly.
if (context_provider) {
video_decoders->push_back(CreateFuchsiaVideoDecoder(context_provider));
} else {
DLOG(ERROR)
<< "Can't create FuchsiaVideoDecoder due to GPU context loss.";
}
}
if (base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kDisableSoftwareVideoDecoders)) {
// Bypass software codec registration.
return;
}
#endif
#if BUILDFLAG(ENABLE_LIBVPX)
video_decoders->push_back(std::make_unique<OffloadingVpxVideoDecoder>());
#endif
#if BUILDFLAG(ENABLE_LIBGAV1_DECODER)
if (base::FeatureList::IsEnabled(kGav1VideoDecoder)) {
video_decoders->push_back(
std::make_unique<OffloadingGav1VideoDecoder>(media_log));
} else
#endif // BUILDFLAG(ENABLE_LIBGAV1_DECODER)
{
#if BUILDFLAG(ENABLE_DAV1D_DECODER)
video_decoders->push_back(
std::make_unique<OffloadingDav1dVideoDecoder>(media_log));
#endif
}
#if BUILDFLAG(ENABLE_FFMPEG_VIDEO_DECODERS)
video_decoders->push_back(std::make_unique<FFmpegVideoDecoder>(media_log));
#endif
}
void DefaultDecoderFactory::Shutdown() {
base::AutoLock auto_lock(shutdown_lock_);
external_decoder_factory_.reset();
is_shutdown_ = true;
}
} // namespace media